20090175

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 40211712

約数和(自身を除く): 20121537

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2251, 2975, 6753, 8925, 11255, 15757, 33765, 38267, 47271, 56275, 78785, 114801, 168825, 191335, 236355, 267869, 393925, 574005, 803607, 956675, 1181775, 1339345, 2870025, 4018035, 6696725, 20090175]

約数ペア:

[(1, 20090175), (3, 6696725), (5, 4018035), (7, 2870025), (15, 1339345), (17, 1181775), (21, 956675), (25, 803607), (35, 574005), (51, 393925), (75, 267869), (85, 236355), (105, 191335), (119, 168825), (175, 114801), (255, 78785), (357, 56275), (425, 47271), (525, 38267), (595, 33765), (1275, 15757), (1785, 11255), (2251, 8925), (2975, 6753)]